London

5 Charing Cross –

5 July 1849 –

Sir,

We beg to inform you that we have a Cylinder Electrical Machine by us 7 Inches diam^r with a case which we could get ready in about 3 days after the receipt of your order, the price of which complete & warranted to work well would be £6.6.–

The machine we allude to is of the Kind represented in the enclosed figure

We remain Sir

Y^r Obed^t Serv^ts

Watkins & Hill

H. F. Talbot Esq.